package main

import "fmt"

var v0 int
var v1 int = 1
var v2 = 2
var v3, v4 int = 3, 4
var v5, v6 = "5", 6

func main() {
	var (
		v7 int = 2 + 5
		v8 int = v2 + v6
	)
	v9 := 9
	fmt.Println(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9)
	fmt.Printf("%T\n", v9)

	n1, n2 := 1, 2
	fmt.Println(n1, n2)
	n1, n2 = n2, n1
	fmt.Println(n1, n2)
}
